Alert archive / Illinois / Flash Flood Warnings in 2026

Flash Flood Warning 21, NWS Lincoln, IL

June 10, 2026McLean County, Tazewell County, Woodford County, Illinois

NWS Lincoln, IL issued this flash flood warning at Jun 10, 2026, 11:46 PM CDT for McLean County, Tazewell County, Woodford County, Illinois. It was in force for 4 hr. 14 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 10, 2026, 11:46 PM CDT (04:46 UTC)
Expired: Jun 11, 2026, 3:45 AM CDT
In force: 4 hr
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Flood severity: None

Counties McLean County, IL, Tazewell County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 57 km from the middle of the area, began a volume at 04:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 10, 11:46 PM CDT	RAIN 2.46	2 Ese Bloomington, IL	Mesonet station GW0991 Bloomington.
Jun 10, 11:50 PM CDT	RAIN 2.63	2 S Cooksville, IL	Mesonet station EW0890 Cooksville.
Jun 11, 12:00 AM CDT	FLOOD	2 Wnw Normal, IL	Standing water reported on Parkside Road near Normal Community West High School and Champion Fields.
Jun 11, 12:00 AM CDT	FLASH FLOOD	2 E Bloomington, IL	Significant roadway flooding near Four Seasons Road in Bloomington, with around 2 to 3 feet of standing water.
Jun 11, 12:05 AM CDT	RAIN 2.48	1 Nne Eureka, IL	Mesonet station CW1740 Eureka.
Jun 11, 12:07 AM CDT	RAIN 2.5	2 Ese Bloomington, IL	Mesonet station GW0991 Bloomington.
Jun 11, 12:10 AM CDT	RAIN 2.22	3 N Panola, IL	Mesonet station 8089D 2 N Panola.
Jun 11, 12:10 AM CDT	RAIN 2.84	2 S Cooksville, IL	Mesonet station EW0890 Cooksville.
Jun 11, 12:27 AM CDT	RAIN 2.54	2 Ese Bloomington, IL	Mesonet station GW0991 Bloomington.
Jun 11, 12:30 AM CDT	RAIN 2.88	2 S Cooksville, IL	Mesonet station EW0890 Cooksville.
Jun 11, 2:25 AM CDT	RAIN 3.1	2 S Cooksville, IL	Mesonet station EW0890 Cooksville.
Jun 11, 2:29 AM CDT	RAIN 2.75	2 Ese Bloomington, IL	Mesonet station GW0991 Bloomington.
Jun 11, 3:55 AM CDT	RAIN 2.61	1 Nne Eureka, IL	Mesonet station CW1740 Eureka.
Jun 11, 3:55 AM CDT	RAIN 2.79	1 S Goodfield, IL	Mesonet station DW8284 Goodfield.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.8 hours before the alert went out and 65 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1324 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 1228 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 175 m²/s²
0-3 km storm-relative helicity: 321 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 5.3

Open this sounding in Storm Lab

The text

As transmitted.

076 
WGUS53 KILX 110446
FFWILX
ILC113-179-203-110845-
/O.NEW.KILX.FF.W.0021.260611T0446Z-260611T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lincoln IL
1146 PM CDT Wed Jun 10 2026

The National Weather Service in Lincoln has issued a

* Flash Flood Warning for...
  McLean County in central Illinois...
  Southeastern Tazewell County in central Illinois...
  Woodford County in central Illinois...

* Until 345 AM CDT.

* At 1145 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Up to 2 inches of rain have 
  fallen. Additional rainfall amounts up to 2 inches are possible in 
  the warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Bloomington, Normal, Eureka, Le Roy, Heyworth, El Paso, Minonk, 
  Roanoke, Lexington, Hudson, Chenoa, Delavan, Gridley, Minier, 
  Danvers, Colfax, Downs, Hopedale, Goodfield and McLean.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 4044 8953 4050 8932 4074 8932 4075 8930
      4092 8927 4092 8893 4075 8893 4076 8858
      4062 8857 4062 8846 4029 8846 4033 8955

FLASH FLOOD...RADAR INDICATED

$$

37

1 follow-up statement

577 
WGUS73 KILX 110854
FFSILX

Flash Flood Statement
National Weather Service Lincoln IL
354 AM CDT Thu Jun 11 2026

ILC113-179-203-110904-
/O.EXP.KILX.FF.W.0021.000000T0000Z-260611T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McLean IL-Tazewell IL-Woodford IL-
354 AM CDT Thu Jun 11 2026

...FLASH FLOOD WARNING HAS EXPIRED FOR MCLEAN, SOUTHEASTERN TAZEWELL 
AND WOODFORD COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.


&&

LAT...LON 4044 8953 4050 8932 4074 8932 4075 8930
      4092 8927 4092 8893 4075 8893 4076 8858
      4062 8857 4062 8846 4029 8846 4033 8955

$$

Geelhart

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 7:24 PM CDT	Severe Thunderstorm Warning	ILX	Knox, Marshall, Peoria, Stark	66 min
Jun 10, 8:07 PM CDT	Flash Flood Warning	ILX	Knox, Peoria, Stark	3 hr
Jun 10, 8:37 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Marshall, Tazewell, Woodford	38 min
Jun 10, 8:53 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox	52 min
Jun 10, 9:14 PM CDT	Flash Flood Warning	ILX	Fulton, Knox, Marshall, Peoria, Stark, Woodford	5 hr
Jun 10, 10:00 PM CDT	Flash Flood Warning	ILX	Fulton, Mason, Peoria, Tazewell	4 hr
Jun 10, 10:36 PM CDT	Severe Thunderstorm Warning	ILX	Mason, Tazewell	24 min
Jun 10, 10:46 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Tazewell	44 min
Jun 10, 10:58 PM CDT	Tornado Warning	ILX	Logan, Macon, Menard, Sangamon	36 min
Jun 10, 11:05 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan, McLean, Macon, Mason, Menard and 1 more	40 min
Jun 10, 11:12 PM CDT	Tornado Warning Tornado observed	ILX	Christian, Logan, Macon, Sangamon	34 min
Jun 10, 11:14 PM CDT	Tornado Warning	ILX	DeWitt, Logan	16 min
Jun 10, 11:28 PM CDT	Tornado Warning	ILX	Logan, Macon, Piatt	47 min
Jun 10, 11:30 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Cumberland, Logan, Macon, Moultrie, Piatt and 2 more	60 min
Jun 10, 11:39 PM CDT	Tornado Warning	ILX	Christian, Macon, Moultrie, Shelby	35 min
Jun 10, 11:45 PM CDT	Tornado Warning	ILX	Christian, Macon, Moultrie, Piatt, Shelby	28 min
Jun 10, 11:48 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, DeWitt, McLean, Macon, Piatt	57 min
Jun 10, 11:51 PM CDT	Tornado Warning Tornado observed	ILX	DeWitt, Piatt	25 min
Jun 11, 12:09 AM CDT	River Flood Warning	ILX	Fulton, Knox	60 hr
Jun 11, 12:12 AM CDT	Tornado Warning	ILX	Champaign, Douglas	19 min
Jun 11, 12:19 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas, Moultrie, Piatt	24 min
Jun 11, 2:11 AM CDT	Flash Flood Warning	ILX	Sangamon	3 hr
Jun 11, 2:32 AM CDT	Flash Flood Warning	ILX	Macon	56 min
Jun 11, 6:17 AM CDT	River Flood Warning	ILX	McLean, Tazewell, Woodford	16 hr
Jun 11, 11:37 AM CDT	River Flood Warning	ILX	Cass, Fulton, Mason	37 days
Jun 11, 11:38 AM CDT	River Flood Warning	ILX	Brown, Cass, Morgan, Schuyler	38 days
Jun 11, 11:39 AM CDT	Flood Watch	ILX	Cass, DeWitt, Fulton, Knox, Logan, McLean and 8 more	9 hr
Jun 11, 11:47 AM CDT	Severe Thunderstorm Warning	ILX	Knox	43 min
Jun 11, 12:34 PM CDT	Special Weather Statement	ILX	Knox	26 min
Jun 11, 1:04 PM CDT	Special Weather Statement	ILX	Peoria	26 min
Jun 11, 4:49 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Woodford	41 min
Jun 11, 4:56 PM CDT	Tornado Warning	ILX	Marshall, Peoria, Woodford	36 min
Jun 11, 5:11 PM CDT	Tornado Warning EmergencyTornado observedCatastrophic damage threat	ILX	Marshall	14 min
Jun 11, 5:12 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox, Peoria	48 min
Jun 11, 5:15 PM CDT	Tornado Warning	ILX	Woodford	14 min
Jun 11, 5:19 PM CDT	Tornado Warning	ILX	Fulton, Mason, Tazewell	41 min
Jun 11, 5:30 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Schuyler	60 min
Jun 11, 5:31 PM CDT	Tornado Warning	ILX	Fulton, Peoria	31 min
Jun 11, 5:40 PM CDT	Flash Flood Warning	ILX	Fulton, Peoria	5 hr
Jun 11, 5:49 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Mason, Peoria, Tazewell	41 min
Jun 11, 5:51 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Cass, Mason, Menard	39 min
Jun 11, 5:59 PM CDT	Tornado Warning	ILX	Cass, Mason, Schuyler	31 min
Jun 11, 6:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	McLean, Tazewell, Woodford	65 min
Jun 11, 6:14 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	DeWitt, Logan, Macon	61 min
Jun 11, 6:15 PM CDT	Tornado Warning	ILX	Tazewell, Woodford	17 min
Jun 11, 6:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Cass, Mason, Menard, Morgan, Sangamon	45 min
Jun 11, 6:34 PM CDT	Tornado Warning	ILX	McLean	10 min
Jun 11, 6:45 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Champaign, DeWitt, McLean, Macon, Piatt	60 min

Nearby

Flash Flood Warnings in Illinois, 2026 Every flash flood warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.